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The potential difference across the term...

The potential difference across the terminals of battery is 10 V when there is a current of 3A in battery from the negative to the positive terminate when the current is 2A in the reverse direction, potential difference becomes 15 V. The inter resistance of the battery is

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`E-3r=10" ………(i)"`
`E+2r=15" ……….(ii)"`
Solving these two equations, we get, `r=1Omega`
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AAKASH SERIES-CURRENT ELECTRICITY-PROBLEMS
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  2. When a battery is connected to the resistance of 10Omega the current i...

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  3. The potential difference across the terminals of battery is 10 V when ...

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  6. In the given circuit as shown below, calculate the magnitude and direc...

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  7. Two batteries each of emf E and internal resistance r are connected in...

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  8. In the steady state of the below given circuit, find the charge on the...

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  9. Tweleve celles each having the same emf are connected in series and ar...

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  10. A voltmeter with resistance 500 Omega is used to measure the emf of a ...

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  11. Find the emf (V) and internal resistance (r ) of a single battery whic...

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  12. Consider the network as shown in Fig. Current is supplied to the netwo...

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  13. For the circuit shown in the figure, potential difference between poin...

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  15. In the given circuit values are as follows epsilon(1)=2V, epsilon(2)=4...

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  16. The given four terminal net work is a part of larger circuit. The poin...

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  17. Solve for current values in figure.

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  18. Find the potential difference between and N in the given branch of a c...

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  19. Two cells E(1) (with emf 4V and internal resistance 2Omega) and E(2) (...

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